*SUPPORT*
IN: tufa dax tufa kiki OUT: PURPLE RED PURPLE PINK
IN: wif lug OUT: BLUE BLUE
IN: tufa kiki dax dax OUT: PURPLE PINK RED RED
IN: dax zup lug OUT: RED RED RED RED RED RED
IN: kiki zup OUT: PINK PINK PINK
IN: tufa dax dax tufa OUT: PURPLE RED RED PURPLE
IN: wif OUT: BLUE
IN: tufa fep dax zup OUT: RED RED RED PURPLE PURPLE
IN: tufa dax dax zup OUT: PURPLE RED RED RED RED
IN: kiki kiki wif OUT: PINK PINK BLUE
IN: kiki OUT: PINK
IN: dax OUT: RED
IN: kiki fep kiki tufa zup OUT: PINK PURPLE PURPLE PURPLE PINK PINK
IN: tufa kiki zup OUT: PURPLE PINK PINK PINK

*QUERY*
IN: dax zup OUT: RED RED RED
IN: tufa zup OUT: PURPLE PURPLE PURPLE
IN: tufa OUT: PURPLE
IN: wif zup OUT: BLUE BLUE BLUE
IN: wif zup lug OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif dax fep wif OUT: BLUE BLUE RED BLUE RED
IN: wif dax zup OUT: BLUE RED RED RED
IN: wif fep wif zup OUT: BLUE BLUE BLUE BLUE BLUE
IN: tufa kiki OUT: PURPLE PINK
IN: dax fep tufa lug OUT: PURPLE RED RED PURPLE RED RED

*GRAMMAR*
tufa -> PURPLE 
 dax -> RED 
 wif -> BLUE 
 kiki -> PINK 
 u1 zup -> [u1] [u1] [u1] 
 x1 lug -> [x1] [x1] 
 x1 fep x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 